Safety and efficacy of abobotulinumtoxinA for hemiparesis in adults with upper limb spasticity after stroke or traumatic brain injury: a double-blind randomised controlled trial. Lancet Neurol. 2015 Oct;14(10):992-1001. doi: 10.1016/S1474-4422(15)00216-1.
It usually consists of a court of final appeal (called the  Supreme court  or  Constitutional court ), together with lower courts. In many jurisdictions the judicial branch has the power to change laws through the process of judicial review.
The judicial branch is comprised of the Supreme Court and other federal courts. 1  Supreme Court - The Supreme Court is the highest court in the United States.  Other Federal Courts - The Constitution grants Congress the authority to establish other federal courts.